帮我看看哪里错了~然后改个高级句型,

帮我看看哪里错了~然后改个高级句型,
a little girl fall down in the floor while a boy want to help her up,but at last he was stopped by his mother,what made the boy felt very angry with his mother
我是写书面表达要用,请改的符合一个高中生水平,我总觉的哪写错了很多..
反正我想表达的意识就这些,做为一个中国人,你们勉强看着些吧~好象有点中国式英语,呵呵~